Truck



FIG. 1 is a front and left side perspective view of a truck showing my new design;

FIG. 2 is a rear and right side perspective view thereof;

FIGS. 3 and 4 are, respectively, enlarged front and rear perspective views thereof;

FIGS. 5 and 6 are, respectively, left and right side elevational view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for a truck, as shown. 